How long is the flight from Houston to London Heathrow Airport?

Departing from Houston to London Heathrow Airport will take you 14h. Airlines will cover a distance of 4820 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?

Cheapflights users have booked flights from Houston to London Heathrow Airport round-trip from £297. Other airlines that can offer you cheap pricing are United Airlines, from £383, and British Airways, from £414. These flights start at 50% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Houston to London Heathrow Airport one-way?

The cheapet airlines for a one-way flight from Houston to London Heathrow Airport are WestJet (£228), JetBlue (£256), and British Airways (£289).

What is the cheapest day to fly from Houston to London Heathrow Airport?

Travellers seeking maximum savings on their Houston to London Heathrow Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular airlines that fly from Houston to London Heathrow Airport?

The most popular airlines flying from Houston to London Heathrow Airport are British Airways, Iberia and Lufthansa. Something to consider prior to booking your flight.

Can I find deals for flights from Houston to Heathrow that include hotel bookings?

Yes. In addition to deals on Houston to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Houston to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Heathrow.

Can I find deals for business class flights from Houston to Heathrow?

Yes. Cheapflights offers flight deals from Houston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£212+ Flights from Houston to London Heathrow Airport

Cheapflights Tip: The best prices from Houston to London Heathrow are usually found in February or October, booked 16 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Houston to Heathrow

Round-trip from	£375
One-way from	£212
Popular in	June
Cheapest in	February
Average price	£493

British Airways
15/3-23/3
2 total stops
65h 15m total
Houston to London

Search Deals

WestJet
3/12
1 total stop
17h 15m total
Houston to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£115 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Houston to Heathrow

Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Tue 14/1012:05IAH - LHR

2 stops15h 30mAir Canada

Tue 21/1006:50LHR - IAH

2 stops21h 24mAir Canada

Deal found 15/9£375

Wed 8/1018:05IAH - LHR

1 stop12h 15mUnited Airlines

Thu 23/1010:00LHR - IAH

Nonstop10h 15mUnited Airlines

Deal found 14/9£377

Wed 15/1020:15IAH - LHR

Nonstop9h 20mUnited Airlines

Thu 30/1006:35LHR - IAH

1 stop15h 35mUnited Airlines

Deal found 15/9£378

Fri 17/1010:17IAH - LHR

2 stops52h 43mUnited Airlines

Wed 5/1110:00LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 16/9£378

Tue 11/1114:32HOU - LHR

1 stop15h 08mDelta

Wed 19/1111:30LHR - HOU

2 stops18h 16mDelta

Deal found 15/9£378

Tue 30/915:59IAH - LHR

1 stop15h 31mDelta

Tue 21/1008:40LHR - IAH

2 stops19h 31mDelta

Deal found 14/9£379

Mon 22/910:44HOU - LHR

1 stop14h 01mDelta

Tue 7/1009:55LHR - HOU

2 stops19h 05mDelta

Deal found 15/9£379

Sun 28/905:45IAH - LHR

1 stop19h 00mDelta

Tue 14/1006:30LHR - IAH

2 stops17h 29mDelta

Deal found 16/9£380

Sun 28/906:00HOU - LHR

1 stop19h 15mDelta

Tue 14/1008:40LHR - HOU

2 stops20h 20mDelta

Deal found 16/9£380

Wed 22/1021:00IAH - LHR

Nonstop9h 20mBritish Airways

Thu 30/1009:35LHR - IAH

Nonstop10h 30mBritish Airways

Deal found 15/9£381

Mon 29/1219:05IAH - LHR

Nonstop9h 10mUnited Airlines

Fri 9/115:10LHR - IAH

1 stop14h 49mUnited Airlines

Deal found 16/9£381

Sat 8/1118:44HOU - LHR

2 stops19h 26mDelta

Thu 20/1109:00LHR - HOU

2 stops20h 46mDelta

Deal found 15/9£381

Best flights from Houston to Heathrow
Discover carefully curated flight deals from Houston to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Tue 2/1207:20IAH - LHR

1 stop18h 35mUnited Airlines

Tue 23/1212:05LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 15/9£377

Wed 19/1111:05IAH - LHR

1 stop14h 00mDelta

Thu 27/1108:40LHR - IAH

2 stops19h 50mDelta

Deal found 15/9£379

Wed 1/1013:13HOU - LHR

2 stops14h 47mVirgin Atlantic

Wed 22/1011:45LHR - HOU

2 stops17h 15mVirgin Atlantic

Deal found 14/9£383

Mon 5/116:20IAH - LHR

Nonstop9h 10mMultiple Airlines

Sun 18/106:00LHR - IAH

2 stops21h 44mMultiple Airlines

Deal found 15/9£404

Wed 31/1211:55IAH - LHR

1 stop14h 00mUnited Airlines

Fri 9/110:00LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 16/9£377

Sat 22/1118:33HOU - LHR

2 stops19h 37mDelta

Wed 3/1209:00LHR - HOU

2 stops20h 46mDelta

Deal found 16/9£382

Tue 14/1014:22HOU - LHR

2 stops15h 43mVirgin Atlantic

Tue 21/1012:45LHR - HOU

2 stops16h 15mVirgin Atlantic

Deal found 14/9£387

Fri 17/1010:17IAH - LHR

2 stops52h 43mUnited Airlines

Wed 5/1112:05LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 16/9£378

Sun 28/906:00HOU - LHR

1 stop18h 45mDelta

Tue 14/1015:15LHR - HOU

1 stop13h 45mDelta

Deal found 16/9£384

Wed 19/1110:40HOU - LHR

2 stops15h 10mVirgin Atlantic

Wed 26/1108:55LHR - HOU

1 stop15h 03mVirgin Atlantic

Deal found 14/9£387

Tue 7/1018:44HOU - LHR

1 stop12h 46mDelta

Tue 28/1008:55LHR - HOU

1 stop13h 53mDelta

Deal found 15/9£384

Wed 1/1010:44HOU - LHR

2 stops13h 36mVirgin Atlantic

Wed 15/1013:05LHR - HOU

1 stop15h 55mVirgin Atlantic

Deal found 16/9£388

Wed 11/216:20IAH - LHR

Nonstop9h 10mUnited Airlines

Mon 23/215:30LHR - IAH

1 stop32h 45mUnited Airlines

Deal found 15/9£393

Wed 11/212:55IAH - LHR

1 stop14h 25mDelta

Mon 23/217:35LHR - IAH

1 stop26h 20mDelta

Deal found 16/9£386

Wed 11/313:00HOU - LHR

1 stop12h 25mVirgin Atlantic

Fri 20/308:55LHR - HOU

1 stop17h 51mVirgin Atlantic

Deal found 15/9£390

Tue 28/1017:20IAH - LHR

Nonstop9h 10mUnited Airlines

Mon 10/1115:30LHR - IAH

1 stop32h 45mUnited Airlines

Deal found 14/9£393

Wed 19/1106:00HOU - LHR

2 stops19h 05mDelta

Thu 27/1115:50LHR - HOU

1 stop13h 56mDelta

Deal found 15/9£387

Thu 2/1012:39IAH - LHR

1 stop14h 36mVirgin Atlantic

Mon 6/1019:15LHR - IAH

1 stop24h 00mVirgin Atlantic

Deal found 16/9£409

Wed 1/1010:00IAH - LHR

1 stop14h 30mUnited Airlines

Sun 5/1013:40LHR - IAH

Nonstop10h 15mUnited Airlines

Deal found 15/9£410

Tue 30/906:00HOU - LHR

1 stop19h 15mDelta

Fri 10/1015:45LHR - HOU

2 stops23h 33mDelta

Deal found 15/9£387

Fri 30/116:20IAH - LHR

Nonstop9h 10mUnited Airlines

Fri 6/210:00LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 15/9£410

Wed 8/1013:29IAH - LHR

2 stops15h 16mDelta

Mon 13/1017:35LHR - IAH

1 stop26h 00mDelta

Deal found 15/9£404

Wed 12/1106:00HOU - LHR

1 stop18h 25mDelta

Sat 22/1111:30LHR - HOU

2 stops17h 03mDelta

Deal found 16/9£415

Direct flights from Houston to Heathrow
Explore direct flight options from Houston to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Wed 22/1021:00IAH - LHR

Nonstop9h 20mBritish Airways

Thu 30/1009:35LHR - IAH

Nonstop10h 30mBritish Airways

Deal found 15/9£381

Wed 15/1015:30IAH - LHR

Nonstop9h 10mBritish Airways

Wed 22/1014:50LHR - IAH

Nonstop10h 25mBritish Airways

Deal found 17/9£381

Tue 7/1021:00IAH - LHR

Nonstop9h 20mBritish Airways

Tue 28/1009:35LHR - IAH

Nonstop10h 30mBritish Airways

Deal found 14/9£384

Sun 8/322:50IAH - LHR

Nonstop9h 00mBritish Airways

Tue 17/309:35LHR - IAH

Nonstop10h 30mBritish Airways

Deal found 16/9£385

Fri 17/1020:15IAH - LHR

Nonstop9h 20mUnited Airlines

Wed 5/1112:05LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 16/9£409

Fri 17/1016:20IAH - LHR

Nonstop9h 20mUnited Airlines

Tue 4/1110:00LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 15/9£410

Mon 29/920:15IAH - LHR

Nonstop9h 20mUnited Airlines

Mon 27/1012:05LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 16/9£411

Thu 9/1016:20IAH - LHR

Nonstop9h 20mUnited Airlines

Thu 23/1013:40LHR - IAH

Nonstop10h 15mUnited Airlines

Deal found 15/9£412

Fri 17/1015:30IAH - LHR

Nonstop9h 10mBritish Airways

Fri 24/1009:25LHR - IAH

Nonstop10h 20mBritish Airways

Deal found 16/9£417

Wed 12/1115:50IAH - LHR

Nonstop9h 00mFinnair

Mon 9/215:25LHR - IAH

Nonstop10h 35mFinnair

Deal found 16/9£418

Mon 15/1219:05IAH - LHR

Nonstop9h 10mUnited Airlines

Thu 25/1212:05LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 15/9£419

Mon 15/1216:20IAH - LHR

Nonstop9h 10mUnited Airlines

Thu 15/110:00LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 16/9£419

Last-minute flights from Houston to Heathrow
Discover last-minute flight deals from Houston to Heathrow. Data last updated 17 September 2025 and is based on user searches.

Mon 22/913:13HOU - LHR

1 stop12h 02mDelta

Tue 7/1009:55LHR - HOU

2 stops19h 05mDelta

Deal found 15/9£379

Sun 28/905:45IAH - LHR

1 stop19h 00mDelta

Tue 14/1006:30LHR - IAH

2 stops17h 29mDelta

Deal found 16/9£380

Sun 28/906:00HOU - LHR

1 stop19h 15mDelta

Tue 14/1008:40LHR - HOU

2 stops20h 20mDelta

Deal found 16/9£380

Tue 30/915:59IAH - LHR

1 stop15h 31mDelta

Tue 21/1008:40LHR - IAH

2 stops19h 31mDelta

Deal found 14/9£379

Tue 30/910:00IAH - LHR

2 stops14h 30mMultiple Airlines

Fri 10/1008:30LHR - IAH

1 stop32h 34mMultiple Airlines

Deal found 15/9£381

Wed 1/1013:13HOU - LHR

2 stops16h 12mDelta

Wed 8/1011:30LHR - HOU

2 stops17h 30mDelta

Deal found 15/9£381

Wed 8/1014:50IAH - LHR

1 stop12h 50mUnited Airlines

Tue 28/1010:00LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 15/9£377

Tue 14/1012:05IAH - LHR

2 stops15h 30mAir Canada

Tue 21/1006:50LHR - IAH

2 stops21h 24mAir Canada

Deal found 15/9£375

Wed 15/1020:15IAH - LHR

Nonstop9h 20mUnited Airlines

Thu 30/1006:35LHR - IAH

1 stop15h 35mUnited Airlines

Deal found 15/9£378

Fri 17/1010:17IAH - LHR

2 stops52h 43mUnited Airlines

Wed 5/1110:00LHR - IAH

Nonstop10h 45mUnited Airlines

Deal found 16/9£378

Wed 22/1006:00HOU - LHR

1 stop19h 15mDelta

Fri 31/1011:30LHR - HOU

2 stops26h 48mDelta

Deal found 15/9£378

Wed 22/1021:00IAH - LHR

Nonstop9h 20mBritish Airways

Thu 30/1009:35LHR - IAH

Nonstop10h 30mBritish Airways

Deal found 15/9£381

One-way flights from Houston to Heathrow
Search for one-way flight options from Houston to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Wed 3/1213:35IAH - LHR

1 stop17h 15mWestJet

Deal found 15/9£212

Sat 4/1009:29IAH - LHR

3 stops26h 16mMultiple Airlines

Deal found 15/9£222

Wed 15/1013:08IAH - LHR

2 stops14h 27mMultiple Airlines

Deal found 15/9£226

Tue 30/917:00IAH - LHR

3 stops47h 00mMultiple Airlines

Deal found 16/9£227

Mon 16/318:20IAH - LHR

1 stop37h 30mWestJet

Deal found 16/9£228

Thu 15/113:35IAH - LHR

1 stop17h 15mWestJet

Deal found 14/9£230

Fri 3/1005:50IAH - LHR

3 stops29h 55mMultiple Airlines

Deal found 16/9£231

Thu 8/113:35IAH - LHR

1 stop17h 15mWestJet

Deal found 14/9£232

Tue 25/1106:00IAH - LHR

2 stops24h 40mMultiple Airlines

Deal found 15/9£235

Tue 9/1208:00IAH - LHR

2 stops22h 50mMultiple Airlines

Deal found 16/9£236

Fri 9/118:20IAH - LHR

1 stop36h 30mWestJet

Deal found 14/9£237

Mon 6/1018:11HOU - LHR

1 stop14h 14mBritish Airways

Deal found 15/9£284

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 2/12

07:20-07:55

1 stop18h 35m

London Heathrow

Tue 23/12

12:05-16:50

Nonstop10h 45m

£377

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 31/12

11:55-07:55

1 stop14h 00m

London Heathrow

Fri 9/1

10:00-14:45

Nonstop10h 45m

£377

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 17/10

10:17-21:00

2 stops52h 43m

London Heathrow

Wed 5/11

12:05-16:50

Nonstop10h 45m

£378

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 19/11

11:05-07:05

1 stop14h 00m

London Heathrow

Thu 27/11

08:40-22:30

2 stops19h 50m

£379

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Sat 22/11

18:33-20:10

2 stops19h 37m

London Heathrow

Wed 3/12

09:00-23:46

2 stops20h 46m

£382

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 1/10

13:13-10:00

2 stops14h 47m

London Heathrow

Wed 22/10

11:45-23:00

2 stops17h 15m

£383

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Sun 28/9

06:00-06:45

1 stop18h 45m

London Heathrow

Tue 14/10

15:15-23:00

1 stop13h 45m

£384

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 7/10

18:44-13:30

1 stop12h 46m

London Heathrow

Tue 28/10

08:55-17:48

1 stop13h 53m

£384

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 11/2

12:55-09:20

1 stop14h 25m

London Heathrow

Mon 23/2

17:35-13:55

1 stop26h 20m

£386

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 14/10

14:22-12:05

2 stops15h 43m

London Heathrow

Tue 21/10

12:45-23:00

2 stops16h 15m

£387

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 44 results

...

Best time to book a flight from Houston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Houston with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to London Heathrow Airport

How far ahead should I book a flight from Houston to London Heathrow Airport?

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £112). Flying from Houston to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to LHR?

It’s typically best to fly out from Houston to London Heathrow Airport in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying at midday, which is usually more expensive.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Houston to London Heathrow Airport, such as United Airlines, Virgin Atlantic, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,924 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,924 reviews

United Airlines

7.4

Good

8,924 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Virgin Atlantic

7.4

Good

664 reviews

United Airlines

7.4

Good

8,924 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Iberia

7.0

Good

2,924 reviews

United Airlines

7.4

Good

8,924 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Lufthansa

6.8

Okay

7,407 reviews

United Airlines

7.4

Good

8,924 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

British Airways

6.7

Okay

7,363 reviews

United Airlines

7.4

Good

8,924 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

How long is the flight from Houston to London Heathrow Airport?
Departing from Houston to London Heathrow Airport will take you 14h. Airlines will cover a distance of 4820 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?
Cheapflights users have booked flights from Houston to London Heathrow Airport round-trip from £297. Other airlines that can offer you cheap pricing are United Airlines, from £383, and British Airways, from £414. These flights start at 50% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Houston to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Houston to London Heathrow Airport are WestJet (£228), JetBlue (£256), and British Airways (£289).
Can I find deals for flights from Houston to Heathrow that include hotel bookings?
Yes. In addition to deals on Houston to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Houston to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Heathrow.
Can I find deals for business class flights from Houston to Heathrow?
Yes. Cheapflights offers flight deals from Houston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Houston to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £112). Flying from Houston to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Houston to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£297	Average£461	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£383	Average£613	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£414	Average£676	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£420	Average£596	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£428	Average£508	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Houston to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Houston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Houston to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Houston to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Houston to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Houston to London Heathrow Airport from £212

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Houston to London Heathrow are usually found in February or October, booked 16 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Houston to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Houston to Heathrow

Cheapest flights from Houston to HeathrowExplore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Best time to book a flight from Houston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Houston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Houston to London Heathrow Airport

How far ahead should I book a flight from Houston to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Houston to Heathrow. Price data was last updated on 12 September 2025.

What is the cheapest month to book a flight from Houston to London Heathrow Airport?

What is the cheapest time of day to fly from HOU to LHR?

Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Houston to London Heathrow Airport, such as United Airlines, Virgin Atlantic, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Houston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Houston to London Heathrow Airport?

What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Houston to London Heathrow Airport one-way?

Can I find deals for flights from Houston to Heathrow that include hotel bookings?

How can I find direct flights from Houston to Heathrow?

Can I find deals for business class flights from Houston to Heathrow?

What is the cheapest month to book a flight from Houston to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for Houston to Heathrow

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Top 5 airlines flying from Houston to Heathrow

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Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.